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What is armature amps?
Armature amps refer to the current flowing through the armature winding of an electric motor or generator. It is used to power the electromagnetic coils that generate the magnetic field needed for the motor or generator to operate efficiently. Monitoring armature amps is crucial for maintaining the proper functioning and performance of the motor or generator.
How do you reverse series wound motor?
To reverse a series wound motor, you must reverse the direction of the current flowing through both the armature and the field windings. This can be achieved by changing the connections of either the armature leads or the field leads, depending on the motor design.
The movement of which subatomic particle causes an electric motor to run?
Eectrons moving in the wire that is why it is called electricity. Electrons moving in a circle around the iron core called the armature produces a magnetic field. This produces a north and south pole. The poles of the armature are attracted to the opposite poles of the magnets, causing the armature to spin. See this website for good diagram of interiofr of motor http://electronics.howstuffworks.com/motor1.htm
If you connected the test leads of an ohmmeter to the brushes of a DC electric motor what reading would you read?
If you connect the test leads to the brushes of a DC electric motor, you would typically measure the resistance across the armature circuit. This reading can help you determine the condition of the armature winding, the brushes, and the connections.
What is purpose of commutation?
The purpose of commutation is to switch the direction of current flowing through a motor's windings, thereby controlling the motor's rotation. Commutation ensures that the armature's magnetic field is always in the correct alignment with the stator's magnetic field, enabling smooth and continuous motor operation.
What is common methods control speed dc motor?
there are two methods i.e armature control method and field control method....
In what two ways can the speed of a dc motor be varied?
speed of a dc motor can be varied by mainly two methods:- 1)field control method 2)armature control method further , field control method can be divided in 3 parts:- 1)field rhestat control method---speed variation is acomplished by means of a variable resistance inserted in series with shunt field 2)reluctance control method---by changing the reluctance of magnetic circuit by choosing right material.. 3) field voltage control method-requires variable field voltage supply. and armature control method can be divided in 3 parts :- 1)armature resistance control---variable resisitance connected in series with armature 2)shunted armature control. 3)armature voltage control. ------------mrityunjay pandey (kiit university ,btech 2nd year)
Name the three basic methods that are used to vary the speed of a DC motor?
speed of a dc motor can be varied by mainly two methods:- 1)field control method 2)armature control method further , field control method can be divided in 3 parts:- 1)field rhestat control method---speed variation is acomplished by means of a variable resistance inserted in series with shunt field 2)reluctance control method---by changing the reluctance of magnetic circuit by choosing right material.. 3) field voltage control method-requires variable field voltage supply. and armature control method can be divided in 3 parts :- 1)armature resistance control---variable resisitance connected in series with armature 2)shunted armature control. 3)armature voltage control. ------------mrityunjay pandey (kiit university ,btech 2nd year)
Is 4 point starter used to start and control the speed of dc shunt motor with armature resistance control?
yes
How do you conduct test on speed control of DC motor using SCR?
Connect the SCR in series with the armature or field and control the firing angle of the SCR which in turns determine the current flowing to the armature or field.
What is Comparison of armature controlled and field controlled DC servo motor?
Difference between field controlled and armature controlled is that field control is open loop and armature current is closed loop.
How can i control the torque of the wiper motor?
there three connections of armature circuit possible in wiper motors. by changing these arrangments, we can control the speed as well as the torque of any wiper motor.
What is armature current?
Armature current is the current flowing in a motor's armature. The "armature" is another name for the coil (or coils) of wire which are on the motor's "rotor", which is the part that rotates inside its stator. (The "stator" is the fixed, non-rotating part of the motor.)
How do you measure the resistance of a motor?
we can measure the resistance of the motor by using voltmeter ammeter method of by directly using a multimeter across the armature terminals of the motor in voltmeter ammeter method we should use a less value of dc voltage to find the resistance
What are convectional and non convectional methods of speed control of a induction motor?
The flux control method is the convectional and the non-convectional method of speed control of an induction motor.
What are the advantages and disadvantages of forward and reverse motor control?
hi
What is the electomagnet in a motor called?
Armature
